<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    * {
      padding: 0;
      margin: 0;
    }

    body {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      background-image: linear-gradient(to bottom, rgb(86, 71, 117), #000, #000);
    }

    .shell {
      width: 100%;
      height: 100vh;
    }
  </style>
</head>

<body>
  <div class="shell">
    <div class="content">
      <h2>Slide down<br />︾</h2>
      <div class="images">
        <div class="img1"></div>
        <div class="img2"></div>
        <div class="img3"></div>
        <div class="img4"></div>
        <div class="img5"></div>
        <div class="img6"></div>
      </div>
    </div>
  </div>
</body>

</html>